Skip to content
Rebate.Blue

AIR-CON vs Century: heat pump ratings compared

Against heat pumps of the same size and type, a typical AIR-CON model beats 55% and a typical Century model 54%. AIR-CON rates slightly higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

AIR-CON

55%

of similar heat pumps beaten by its typical model

About average

65 models listed

Century

54%

of similar heat pumps beaten by its typical model

About average

63 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • Efficiency on a 5°F dayCOP at 5°FAIR-CON: Beats 47%Century: Beats 57%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAIR-CON: Beats 52%Century: Beats 52%
  • Winter-long heating efficiencyHSPF2AIR-CON: Beats 46%Century: Beats 44%
  • Summer-long cooling efficiencySEER2AIR-CON: Beats 54%Century: Beats 40%
  • Hot-day cooling efficiencyEER2AIR-CON: Beats 50%Century: Beats 53%

Average (50%)Dashed outline: the other brand, for comparison

Want ranks, distributions per size class and cold-weather curves? Switch to Advanced

Rebate standards

Share of each brand’s models that meet the level. Programs can have other rules too.

  • CEE 2025

    AIR-CON
    55%
    Century
    44%

  • Xcel CC

    AIR-CON
    49%
    Century
    27%

  • CEE Advanced

    AIR-CON
    0%
    Century
    0%

  • ENERGY STAR CC

    AIR-CON
    39%
    Century
    30%

Top cold-climate picks, ducted 2 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

Showing Ducted, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

AIR-CON

  1. 1ASLCI4H4S24with ducted air handler ASLEK4H4S24AIR-CON2 tons · 24,000 Btu/h · DuctedKeeps 80% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    64.8score / 100
  2. 2ASDDI4H4S24with ducted air handler ASDVI4H4S24AIR-CON2 tons · 22,000 Btu/h · DuctedKeeps 73% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    73% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.05 (COP at 5°F)
    Good
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    59.0score / 100
  3. 3AMSCI4H4S24AIR-CON2 tons · 24,000 Btu/h · DuctedKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.6 (HSPF2)
    Good
    56.5score / 100

Century

  1. 1A-VCD24SA-1with ducted air handler B-VCD24SA-1Century2 tons · 24,000 Btu/h · DuctedKeeps 94% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    94% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.91 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    66.5score / 100

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Next steps

The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.

Open the advanced view